Strawman 3
Thorad SLV-2G Agena D
United States Air Force
Mission
Strawman 3
Type: Government/Top Secret
The Strawman series of ELINT/SIGINT satellites, known for decades only as “Heavy Ferrets”, are the fourth variation of Agena-based ELINT satellites. These satellites were designed to detect, map and investigate SAM and ABM radars.
Trajectory
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Location
Space Launch Complex 1W
Vandenberg SFB, CA, USA
719 rockets have launched from Vandenberg SFB, CA, USA.

Rocket
Thorad SLV-2G Agena D – McDonnell Douglas
- Family: Thor
- Length: 32.9 m
- Diameter: 2.44 m
- Launch Mass: 91 T
The Thorad SLV-2G Agena D was manufactured by McDonnell Douglas with the first launch on 1966-08-09. Thorad SLV-2G Agena D has 29 successful launches and 1 failed launches with a total of 30 launches. Thor-Agena was a series of orbital launch vehicles. The rockets used Thor first stages and Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.
Agency
United States Air Force – USAF
- Type: Government
- Abbreviation: USAF
- Country: USA